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148868-89-7

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148868-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148868-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,8,6 and 8 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 148868-89:
(8*1)+(7*4)+(6*8)+(5*8)+(4*6)+(3*8)+(2*8)+(1*9)=197
197 % 10 = 7
So 148868-89-7 is a valid CAS Registry Number.

148868-89-7Relevant articles and documents

Direct Photolysis and Electron Transfer Photooxygenation of Enol Acetates of 3-Phenylpropiophenones

Algarra, Felipe,Baldovi, Maria V.,Garcia, Hermenegildo,Miranda, Miguel A.,Primo, Jaime

, p. 209 - 216 (1993)

Direct photolysis of enol acetates of 3-phenylpropiophenones 1a-c gives rise to the parent propiophenones 2a-c and the 1,3-acyl shift products 3a-c.By contrast, 2,4,6-triphenylpyrylium tetrafluoroborate sensitized photolysis of substrates 1a-c affords the α-acetyloxypropiophenones 7a-c as the most general products.These results have been rationalized according to the generation of radical pairs in the direct photolysis and radical cations in the photoinduced electron transfer processes. Keywords.Enol acetates of 3-phenylpropiophenones; 1,3-Acyl migration; Photoinduced electron transfer; 2,4,6-triphenylpyrylium tetrafluoroborate.

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